Ustilaginales

The Ustilaginales are an order of fungi within the class Ustilaginomycetes. The order contained 8 families, 49 genera, and 851 species in 2008.

In 2011, monotypic family PericladiaceaeVánky holding just PericladiumPass. (with 3 species) was added. Also family CintractiellaceaeVánky was later placed in a monotypic order CintractiellalesMcTaggart & R.G. Shivas in 2020.

Ustinaginales is also known and classified as the smut fungi. They are serious plant pathogens, with only the dikaryotic stage being obligately parasitic.